mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
210 lines
9.8 KiB
210 lines
9.8 KiB
/* |
|
* Copyright (c) 2016 Matthieu Bouron <matthieu.bouron stupeflix.com> |
|
* Copyright (c) 2016 Clément Bœsch <clement stupeflix.com> |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "libavutil/aarch64/asm.S" |
|
|
|
.macro load_yoff_ycoeff yoff ycoeff |
|
#if defined(__APPLE__) |
|
ldp w9, w10, [sp, #\yoff] |
|
#else |
|
ldr w9, [sp, #\yoff] |
|
ldr w10, [sp, #\ycoeff] |
|
#endif |
|
.endm |
|
|
|
.macro load_args_nv12 |
|
ldr x8, [sp] // table |
|
load_yoff_ycoeff 8, 16 // y_offset, y_coeff |
|
ld1 {v1.1D}, [x8] |
|
dup v0.8H, w10 |
|
dup v3.8H, w9 |
|
sub w3, w3, w0, lsl #2 // w3 = linesize - width * 4 (padding) |
|
sub w5, w5, w0 // w5 = linesizeY - width (paddingY) |
|
sub w7, w7, w0 // w7 = linesizeC - width (paddingC) |
|
neg w11, w0 |
|
.endm |
|
|
|
.macro load_args_nv21 |
|
load_args_nv12 |
|
.endm |
|
|
|
.macro load_args_yuv420p |
|
ldr x13, [sp] // srcV |
|
ldr w14, [sp, #8] // linesizeV |
|
ldr x8, [sp, #16] // table |
|
load_yoff_ycoeff 24, 32 // y_offset, y_coeff |
|
ld1 {v1.1D}, [x8] |
|
dup v0.8H, w10 |
|
dup v3.8H, w9 |
|
sub w3, w3, w0, lsl #2 // w3 = linesize - width * 4 (padding) |
|
sub w5, w5, w0 // w5 = linesizeY - width (paddingY) |
|
sub w7, w7, w0, lsr #1 // w7 = linesizeU - width / 2 (paddingU) |
|
sub w14, w14, w0, lsr #1 // w14 = linesizeV - width / 2 (paddingV) |
|
lsr w11, w0, #1 |
|
neg w11, w11 |
|
.endm |
|
|
|
.macro load_args_yuv422p |
|
ldr x13, [sp] // srcV |
|
ldr w14, [sp, #8] // linesizeV |
|
ldr x8, [sp, #16] // table |
|
load_yoff_ycoeff 24, 32 // y_offset, y_coeff |
|
ld1 {v1.1D}, [x8] |
|
dup v0.8H, w10 |
|
dup v3.8H, w9 |
|
sub w3, w3, w0, lsl #2 // w3 = linesize - width * 4 (padding) |
|
sub w5, w5, w0 // w5 = linesizeY - width (paddingY) |
|
sub w7, w7, w0, lsr #1 // w7 = linesizeU - width / 2 (paddingU) |
|
sub w14, w14, w0, lsr #1 // w14 = linesizeV - width / 2 (paddingV) |
|
.endm |
|
|
|
.macro load_chroma_nv12 |
|
ld2 {v16.8B, v17.8B}, [x6], #16 |
|
ushll v18.8H, v16.8B, #3 |
|
ushll v19.8H, v17.8B, #3 |
|
.endm |
|
|
|
.macro load_chroma_nv21 |
|
ld2 {v16.8B, v17.8B}, [x6], #16 |
|
ushll v19.8H, v16.8B, #3 |
|
ushll v18.8H, v17.8B, #3 |
|
.endm |
|
|
|
.macro load_chroma_yuv420p |
|
ld1 {v16.8B}, [ x6], #8 |
|
ld1 {v17.8B}, [x13], #8 |
|
ushll v18.8H, v16.8B, #3 |
|
ushll v19.8H, v17.8B, #3 |
|
.endm |
|
|
|
.macro load_chroma_yuv422p |
|
load_chroma_yuv420p |
|
.endm |
|
|
|
.macro increment_nv12 |
|
ands w15, w1, #1 |
|
csel w16, w7, w11, ne // incC = (h & 1) ? paddincC : -width |
|
add x6, x6, w16, SXTW // srcC += incC |
|
.endm |
|
|
|
.macro increment_nv21 |
|
increment_nv12 |
|
.endm |
|
|
|
.macro increment_yuv420p |
|
ands w15, w1, #1 |
|
csel w16, w7, w11, ne // incU = (h & 1) ? paddincU : -width/2 |
|
csel w17, w14, w11, ne // incV = (h & 1) ? paddincV : -width/2 |
|
add x6, x6, w16, SXTW // srcU += incU |
|
add x13, x13, w17, SXTW // srcV += incV |
|
.endm |
|
|
|
.macro increment_yuv422p |
|
add x6, x6, w7, UXTW // srcU += incU |
|
add x13, x13, w14, UXTW // srcV += incV |
|
.endm |
|
|
|
.macro compute_rgba r1 g1 b1 a1 r2 g2 b2 a2 |
|
add v20.8H, v26.8H, v20.8H // Y1 + R1 |
|
add v21.8H, v27.8H, v21.8H // Y2 + R2 |
|
add v22.8H, v26.8H, v22.8H // Y1 + G1 |
|
add v23.8H, v27.8H, v23.8H // Y2 + G2 |
|
add v24.8H, v26.8H, v24.8H // Y1 + B1 |
|
add v25.8H, v27.8H, v25.8H // Y2 + B2 |
|
sqrshrun \r1, v20.8H, #1 // clip_u8((Y1 + R1) >> 1) |
|
sqrshrun \r2, v21.8H, #1 // clip_u8((Y2 + R1) >> 1) |
|
sqrshrun \g1, v22.8H, #1 // clip_u8((Y1 + G1) >> 1) |
|
sqrshrun \g2, v23.8H, #1 // clip_u8((Y2 + G1) >> 1) |
|
sqrshrun \b1, v24.8H, #1 // clip_u8((Y1 + B1) >> 1) |
|
sqrshrun \b2, v25.8H, #1 // clip_u8((Y2 + B1) >> 1) |
|
movi \a1, #255 |
|
movi \a2, #255 |
|
.endm |
|
|
|
.macro declare_func ifmt ofmt |
|
function ff_\ifmt\()_to_\ofmt\()_neon, export=1 |
|
load_args_\ifmt |
|
1: |
|
mov w8, w0 // w8 = width |
|
2: |
|
movi v5.8H, #4, lsl #8 // 128 * (1<<3) |
|
load_chroma_\ifmt |
|
sub v18.8H, v18.8H, v5.8H // U*(1<<3) - 128*(1<<3) |
|
sub v19.8H, v19.8H, v5.8H // V*(1<<3) - 128*(1<<3) |
|
sqdmulh v20.8H, v19.8H, v1.H[0] // V * v2r (R) |
|
sqdmulh v22.8H, v18.8H, v1.H[1] // U * u2g |
|
sqdmulh v19.8H, v19.8H, v1.H[2] // V * v2g |
|
add v22.8H, v22.8H, v19.8H // U * u2g + V * v2g (G) |
|
sqdmulh v24.8H, v18.8H, v1.H[3] // U * u2b (B) |
|
zip2 v21.8H, v20.8H, v20.8H // R2 |
|
zip1 v20.8H, v20.8H, v20.8H // R1 |
|
zip2 v23.8H, v22.8H, v22.8H // G2 |
|
zip1 v22.8H, v22.8H, v22.8H // G1 |
|
zip2 v25.8H, v24.8H, v24.8H // B2 |
|
zip1 v24.8H, v24.8H, v24.8H // B1 |
|
ld1 {v2.16B}, [x4], #16 // load luma |
|
ushll v26.8H, v2.8B, #3 // Y1*(1<<3) |
|
ushll2 v27.8H, v2.16B, #3 // Y2*(1<<3) |
|
sub v26.8H, v26.8H, v3.8H // Y1*(1<<3) - y_offset |
|
sub v27.8H, v27.8H, v3.8H // Y2*(1<<3) - y_offset |
|
sqdmulh v26.8H, v26.8H, v0.8H // ((Y1*(1<<3) - y_offset) * y_coeff) >> 15 |
|
sqdmulh v27.8H, v27.8H, v0.8H // ((Y2*(1<<3) - y_offset) * y_coeff) >> 15 |
|
|
|
.ifc \ofmt,argb // 1 2 3 0 |
|
compute_rgba v5.8B,v6.8B,v7.8B,v4.8B, v17.8B,v18.8B,v19.8B,v16.8B |
|
.endif |
|
|
|
.ifc \ofmt,rgba // 0 1 2 3 |
|
compute_rgba v4.8B,v5.8B,v6.8B,v7.8B, v16.8B,v17.8B,v18.8B,v19.8B |
|
.endif |
|
|
|
.ifc \ofmt,abgr // 3 2 1 0 |
|
compute_rgba v7.8B,v6.8B,v5.8B,v4.8B, v19.8B,v18.8B,v17.8B,v16.8B |
|
.endif |
|
|
|
.ifc \ofmt,bgra // 2 1 0 3 |
|
compute_rgba v6.8B,v5.8B,v4.8B,v7.8B, v18.8B,v17.8B,v16.8B,v19.8B |
|
.endif |
|
|
|
st4 { v4.8B, v5.8B, v6.8B, v7.8B}, [x2], #32 |
|
st4 {v16.8B,v17.8B,v18.8B,v19.8B}, [x2], #32 |
|
subs w8, w8, #16 // width -= 16 |
|
b.gt 2b |
|
add x2, x2, w3, UXTW // dst += padding |
|
add x4, x4, w5, UXTW // srcY += paddingY |
|
increment_\ifmt |
|
subs w1, w1, #1 // height -= 1 |
|
b.gt 1b |
|
ret |
|
endfunc |
|
.endm |
|
|
|
.macro declare_rgb_funcs ifmt |
|
declare_func \ifmt, argb |
|
declare_func \ifmt, rgba |
|
declare_func \ifmt, abgr |
|
declare_func \ifmt, bgra |
|
.endm |
|
|
|
declare_rgb_funcs nv12 |
|
declare_rgb_funcs nv21 |
|
declare_rgb_funcs yuv420p |
|
declare_rgb_funcs yuv422p
|
|
|